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## breanna brown

on 30 April 2010

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#### Transcript of 8th grade vocabulary

8TH GRADE VOCABULARY iNTERQUARTILE RANGE The range of numbers in between the first and third quartile. QUARTILE A number that divides the set of data in a box-and-whisker plot into four parts OUTLIER A data point that is distinctly separate from the rest of the data. One definition of outlier is any data point more than 1.5 interquartile ranges below the first quartile or above the third quartile.

See? That wasn't... Too painful Irrational numbers

Real numbers that are not rational and go on for a looong time. Irrational numbers include numbers such as π, e, etc.

Integers All positive and negative whole numbers (including zero). Rate A ratio that compares different kinds of units. Perfect Square A square that pops out of your page and does
the math homework for you. Just joking! Perfect Square Any number that is the square of a rational number. Real Number All numbers on the number line. This includes (but is not limited to) positives and negatives, integers and rational numbers. Function A relation for which each element of the domain corresponds to exactly one element of the range. For example, is a function because each number x in the domain has only one possible square root. On the other hand, is not a function because there are two possible values for any positive value of x. Tolerance measuring within an acceptable range. W w http://www.metacafe.com/watch/1033050/box_and_whisker_plot/
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